PHP

First, the concept:1, natural sorting method: that is, according to the natural number of the size of the order, such as "10>2";2, the computer standard sorting method: is to compare by character, sort, for example "2>10" (because the first bit 2>1);

I believe you often see a comparison of some PHP applications, said to replace strlen () with Isset (), isset than strlen execution speed and so on.Example:if (Isset ($username [5])) {The username is at least six characters long.}The reason is that

Atitit. generic Programming Summary Best Practices vO99 java C + + c#.net PHP\1. Generic History 1Origin 12. Generic mechanism editing 1mechanism 1compilation mechanism 23. Generic method definition 1:: pre-defined 24. Generic method definition 2::

If you understand that the array is actually a map, I think you'll understand why Array_merge did it.Merging arrays in PHP is divided into two cases1, if the two arrays have the same string key name:PHPHeader(' content-type:text/html; Charset=utf8 ')

PHP/*//Definition $attr = Array (All-in-one), $attr [] = 1; $attr = Array ("One" = "Hello");//array value $attr[0]; $attr ["One"]//array traversal for () foreach () each () list ()*///4. Pointer Traversal/*$attr = Array ("One" = "aaaa", "one" =

Array of string turns$str = ' One|two|three|four ';p rint_r (Explode (' | '), $STR); Explode string to array$str = ' one three '; Str_split is divided into bits $arr1 = Str_split ($STR), $arr 2 = Str_split ($str, 3);p Rint_r ($arr 1);p

1. Download PHP source codewget HTTP://CN2.PHP.NET/DISTRIBUTIONS/PHP-5.6.10.TAR.GZTAR-ZXVF php-5.6.10.tar.gz2. establish an extended development framework

Set the content-type of common file types in php Headers This article describes how to set content-type for common file types in php headers. For more information, see In PHP, you can use the header function to send header information and set the

Php simple template engine and php template engine The PHP template engine is a PHP class library that separates PHP code from HTML code, significantly improving code readability and maintainability. The advantage of doing so is to let the artist

Large website Optimization-memcache technology, Optimization-memcache TechnologyLarge website Optimization-memcache Technology Memory + cache memory cacheIntroduction to memcache Memcache is a setDistributedHigh SpeedCache SystemDeveloped by Brad

Laravel 5 framework learning-user authentication, laravel5 framework Authentication Laravel already has a user authentication system. Let's take a look at routes. php. If it is deleted, add the following: Route::controllers([ 'auth' =>

[PHP] uses XAMPP to build a local server, and then uses the iOS client to upload data to the local server (1. Install XAMPP ). I found a lot of PHP code on the Internet to receive data and files sent by the client. I will summarize it today. first,

PHP Curl simulates logon to the public platform, Sina Weibo instance code, curl instance Enable curl configuration before using curl. You can see the specific method for Baidu to enable curl extension. The password is encrypted with md5, which has

Summary of how php obtains url parameters. php obtains url parameters. This example describes how to obtain url parameters in php. Share it with you for your reference. The details are as follows: There are many methods to obtain url parameters in

PHP kernel exploration: Hash Table collision attack principle, Kernel The following illustration demonstrates how to explore the PHP kernel: Hash Table collision attack principle. RecentHash Table collision attack (Hashtable collisions as DOS attack)

Open-source files-JS and CSS file compression tools written in PHP-SuMinify_PHP_1_5, Preface: A website project must reference an external file to reduce the load traffic. After loading an external resource file for the first time, if other pages

How to modify the "Homepage" in the current cms location? The current location of the cms 1. Where can I modify the two words on the current home page of the Empire CMS?2 ,[! -- Newsnail v --] Where can I modify the Home Page Link?3. navigation bar

Php finds out the number of input files in the specified range and the square root is also the number of input files.This article mainly introduces php's method of finding out the number of input files within a specified range and the square root is

JMeter Learning (2) recording script, jmeter learning recording script Environment Badboy version 2.1.1 JDK: 1.7.0 _ 67 Apache JMeter-2.11 Bytes

Save the following code to the. xlam or. xla (Excel97-2003) file. In the ThisWorkBook object, add the Workbook_Open event to call the Start menu process. PrivateSubWorkbook_Open () CallMenuSetup (True) EndSub & #39 ;------------------ Save the